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Finding the Fourth Proportional to 58,510.40, 80,744.02 and 31,652.82

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Solution

The fourth proportional to 58,510.40, 80,744.02 and 31,652.82 is: 43,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,510.40 : 80,744.02 = 31,652.82 : x
  2. Step 2: Convert to fraction form
    58,510.40/80,744.02 = 31,652.82/x
  3. Step 3: Cross multiply
    58,510.40x = 80,744.02 × 31,652.82
  4. Step 4: Simplify right side
    58,510.40x = 2,555,775,852.00
  5. Step 5: Solve for x
    x = 2,555,775,852.00/58,510.40
  6. Step 6: Final answer
    x = 43,680.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.